1、Unit 3 The world of science课时作业(二)Using language必备知识基础练进阶训练第一层.单词拼写1The scenery of West Lake is beautiful _ (无法) description.2The Gold Rush was one of the most _ (影响深远的) events in Californias history.3. Shakespeare is not only a great playwright but also a _ (才华横溢的) poet.4The doctor experimented for
2、 many months to find a _ (疗法) for the common headache.5The old man gave the police an _ (准确的) description of the thief.6I suffered from _ (精神的) illness and depression when I was younger, and it totally affected my teenage years.7The task requires _(非凡的) patience and endurance。8His _ (被动的) attitude m
3、ade things easier for me.9I have this _ (理论) that most people prefer being at work to being at home.10Now his aim is to be a _ (化学家) and make a breakthrough in the area of chemistry.单句语法填空1In this simple way we can train the children to read fluently and _ (accurate)2Darwin thinks that _ (nature) se
4、lection is the chief factor in the evolution of species.3It has helped me become stronger, both _ (mental) and physically.4. Professor Wang said the reason of shortsightedness is complicated and that there is still no excellent cure _ it.5It is said that he is _ extraordinary an astronomer as his gr
5、andfather.6The number of those who were killed and _ (injure) in the flood reached 10,000.7The _ (origin) Venice Carnival came to an end about 200 years ago.8Up to now, I _ (finish) twothirds of the work.9Its the first time that the computer _ (check) since I bought it.10Great changes _ (take) place
6、 in my hometown in the past ten years.11Since your work _ (finish), you can have a rest now.12In the last few years thousands of films _ (produce) all over the world.13Despite the previous rounds of talks, no agreement _ (reach) so far by the two sides.句型转换1They havent yet decided how to solve that
7、difficult technological problem.How to solve that difficult technological problem _ by them yet.2Hello Kitty has made billions of dollars over the last 45 years.Billions of dollars _ by Hello Kitty over the last 45 years.3. They have just connected the printer to the computer.The printer _ to the co
8、mputer.4People have sent a large amount of food to the disaster area since the flood happened.A large amount of food _ since the flood happened.5They have spent large quantities of money in bringing up the three children.Large quantities of money _ in bringing up the three children.6Have you found w
9、ays to make waste water clean?_ ways to make wast water clean _ by you?7We have planted many trees on the hill so far.Many trees _ on the hill by us so far.完成句子1纸币已被使用了1000多年。Paper money _ for over one thousand years.2这些男孩们多次被告知不要在那个湖里游泳。The boys _ many times not to swim in that lake, but it doesnt
10、make any difference.3在新技术的帮助下，在过去的几年里越来越多的新物质被发现。With the help of new technology，more and more new substances _ in the past years.4.何时何地进行带薪休假还没有被确定。When and where to go for the onsalary holiday _ yet.5我女儿被北京大学录取了，这让我们很自豪。My daughter _to Peking University, which makes us very proud.6在过去的几年里，世界各地已经制作
11、了数千部电影。In the last few years, thousands of films _ all over the world.关键能力提升练进阶训练第二层.阅读As data and identity theft becomes more and more common, the market is growing for biometric (生物测量) technologieslike fingerprint scansto keep others out of private espaces. At present, these technologies are still
12、 expensive, though.Researchers from Georgia Tech say that they have come up with a lowcost device (装置) that gets around this problem: a smart keyboard. This smart keyboard precisely measures the cadence (节奏) with which one types and the pressure fingers apply to each key. The keyboard could offer a
13、strong layer of security by analyzing things like the force of a users typing and the time between key presses. These patterns are unique to each person. Thus, the keyboard can determine peoples identities, and by extension, whether they should be given access to the computer its connected toregardl
14、ess of whether someone gets the password right.It also doesnt require a new type of technology that people arent already familiar with. Everybody uses a keyboard and everybody types differently.In a study describing the technology, the researchers had 100 volunteers type the word “touch”four times u
15、sing the smart keyboard. Data collected from the device could be used to recognize different participants based on how they typed, with very low error rates. The researchers say that the keyboard should be pretty straightforward to commercialize and is mostly made of inexpensive, plasticlike parts.
16、The team hopes to make it to market in the near future.1Why do the researchers develop the smart keyboard?ATo reduce pressure on keys.BTo improve accuracy in typing.CTo replace the password system.DTo cut the cost of espace protection.2What makes the invention of the smart keyboard possible?ACompute
17、rs are much easier to operate.BFingerprint scanning techniques develop fast.CTyping patterns vary from person to person.DData security measures are guaranteed.3What do the researchers expect of the smart keyboard?AItll be environmentfriendly. BItll reach consumers soon.CItll be made of plastics.DItl
18、l help speed up typing.4Where is this text most likely from? AA diary. BA guidebook. CA novel. DA magazine.七选五Social MediaSocial media can be defined as webbased and mobile media that are used for people to interact, connect and communicate with each other. It often involves the creation and sharing
19、 of content (writings，pictures and videos) that people make themselves，mostly through the Internet._1_ The first type involves people getting together to work on a project，for example，Wikipedia. Blogs and microblogs (such as Twitter) are another type of social media. There are other websites like Yo
20、uTube that allow people to share content such as pictures，articles or videos. _2_ This site allows people to stay in touch with friends，make new ones and join communities.Facebook is an example of this type. Many people like to play games on the Internet and，yes，there are social media games as well.
21、 These games allow gamers to interact with each other and play with or against other gamers._3_ The final type of social media is websites like Second Life，where people can create avatars (化身) and use and create objects，as if they were in the real world.Social media is different from traditional med
22、ia.With social media，many individual people create content.Another difference is that people who produce content in social media dont need very special skills._4_ It takes only a few minutes to write a twitter post，for example._5_ But whatever you might think，social media is here to stay.AWorld of W
23、arcraft is a good example.BAnd social media content can be produced much faster.CIn general，there are six different types of social media.DAnother type of social media is the social networking site.ESome people think social media is good and some think it is bad.FIn traditional media，people need spe
24、cial skills to produce something.GSocial media is one of the fastest growing industries in todays world.完形填空When I heard my name pronounced by the teacher, I knew what lay ahead. She called me to the whiteboard to _1_ a long division (除法) problem. Math was my _2_ subject. When doing a long division
25、problem, I always repeatedly put the numbers in the wrong places，or forgot to add in the zeros.As I _3_ the whiteboard, I looked at the blonde haired girl next to me, trying to copy what she was writing. _4_ I tried my best, she went faster than I could understand. Impossible to understand. Why me?
26、Why couldnt I wrap my mind around this strange concept that all the other kids understood? Why, even when I _5_ my hardest to deal with the division problems?Why? Why?I _6_ back salty tears and wrote some numbers randomly (随便地) on the board. The teacher read over our answers silently.“Now, class, Su
27、sie did this problem absolutely correctly.”“As for Tara，” the teacher said, _7_ her eyes, “Gosh, I dont _8_ know what she did.”The class burst into laughter, and I felt my face turned _9_ as I tried to sink as low as possible into my seat, hoping to _10_ them from seeing me at all. However, after cl
28、ass my teacher wrote me a note, _11_， “No one will care how you feel, unless you _12_ yourself to succeed.”This memory from middle school is the most impressive and the only one I can remember. The experience made me feel stronger, and gave me _13_. When I get a _14_ grade in school, or am put down
29、by somebody, I think of that moment and every single one of those whys that I asked myself, which gives me the willingness to _15_ all of those whys and continue until perfection, or as close as I can get.1 A. find BdoCmake Dexamine2 A. favorite BbestCworst Dlast3 A. moved BapproachedCused Dreturned
30、4 A. If BUnlessCThough DBecause5 A. suggested BaskedCadmitted Dtried6 A. gave BwentCheld Dcut7 A. rolling BclosingCfocusing Dopening8 A. even BneverChardly Dstill9 A. puzzled BannoyedCpale Dred10A. protect BjudgeCprevent Ddiffer11A. saying BwritingCshowing Dpersuading12A. force BallowCforbid Dhope13
31、A. determination BexplanationCfrustration Dimagination14A. big BbadClittle Dgood15A. get BanswerCsee Dfind.语法填空China has once again proved its 1._ (able) to change the world with the “new four great inventions”：highspeed railways，electronic payments, shared bicycles and online shopping.Theyre relate
32、d to Chinas hightech innovation(创新), 2._ has improved the quality of peoples lives，according to a survey 3._ (make) by the Belt and Road Research Institute of Beijing Foreign Studies University. “My wallet is no longer in use. I can buy and eat whatever I want simply with a fingertip on my phone，” s
33、aid 4._ university student，adding that “even pancake sellers are using mobile payment”The bikes 5._ (them) are not new，but the operating model of bikesharing 6._ (base) on the satellite navigation system，mobile payment，big data and other high technologies. “China has entered a new innovative era, th
34、anks to the large amounts of capital China has invested in 7._ (encourage) innovation，” said Bernhard Schwartlander，the WHO Representative in China. “8._ is increasingly clear that China is innovating and no longer copying Western ideas. This is 9._ (especial) true in mobiles，where China is leading
35、in many ways such as.social messaging app WeChat，” she said. “This is partly because China skipped over the PC era and went directly to mobiles. China has the 10._ (large) mobile use in the world.”课时作业(二)Using language必备知识基础练.单词拼写1beyond2.significant3.brilliant4.cure5.accurate6.mental7extraordinary8
36、.passive9.theory10.chemist.单句语法填空1accurately2.natural3.mentally4.for5.as6.injured7original8.have finished9.has been checked10.have taken11.was finished12.have been produced13.has been reached.句型转换1hasnt been decided2.have been made3.has just been connected4has been sent to the disaster area5.have be
37、en spent6.Have；been found7.have been planted.完成句子1has been used2.have been told3.have been discovered4hasnt been decided5.has been admitted6.have been produced关键能力提升练.阅读【语篇解读】本文是一篇科研报道。文章叙述了来自佐治亚理工学院的研究人员发明了一种智能键盘，可以通过分析用户的打字模式来判断该用户是不是安全访客。1答案与解析：D推理判断题。根据第二段第一句“Researchers from Georgia Tech say th
38、at they have come up with a lowcost device that gets around this problem：a smart keyboard.”以及第一段最后一句“At present，these technologies are still expensive，though.”可推知，研究者研发这种智能键盘是为了降低网络安全保护技术的成本。注意题干、正确选项以及原文中一些词汇的多次呼应现象：develop与come up with是同义词，expensive与lowcost是反义词，cut the cost与lowcost相呼应。2答案与解析：C推理判断
39、题。题干问的是“是什么让智能键盘发明成为可能”，也就是问这一发明的核心依据是什么。根据第二段中的“These patterns are unique to each person. Thus, the keyboard can determine peoples identities.”可知，正是因为每个人的打字模式不同，这种智能键盘就可以通过分析用户的打字力度及节奏等来判断该用户是不是安全访客，故C项符合题意。解答该题的关键是看懂题干的意思，即智能键盘的核心依据是什么。3答案与解析：B细节理解题。根据题干“研究者对于智能键盘有什么期望”可直接定位到最后一段的最后一句话“The team ho
40、pes to make it to market in the near future.”，该团队希望在不久的将来将智能键盘推向市场，故选B项。注意：题干中的expect与原文中的hope呼应，答案选项中的consumers与原文中的market呼应。4答案与解析：D文章出处题。根据本文的话题“智能键盘”以及第二段中的“Researchers from Georgia Tech say that they have come up with a lowcost device.”，尤其是其中的关键词researchers，lowcost device等来推断，这篇文章是一篇科研报道，最有可能出现
41、在杂志上。.七选五【语篇解读】本文是一篇说明文。文章对几种社交媒体进行了详细的介绍。1答案与解析：C下文对几种社交媒体进行了详细的介绍，所以这里应该进行一个总的介绍，C项“一般而言，有六种不同的社交媒体形式。”符合语境。故选C。2答案与解析：D根据下文中的“This site allows people to stay in touch with friends，make new ones and join communities.Facebook is an example of this type.”可知这里的意思是“另外一种社交媒体是社交网站”。故选D。3答案与解析：A根据上文中的“Ma
42、ny people like to play games on the Internet and, yes, there are social media games as well. These games allow gamers to interact with each other and play with or against other gamers.”可知这里在谈论电脑游戏，A项“魔兽世界就是一个很好的例子。”符合语境。故选A。4答案与解析：B根据下文中的“It takes only a few minutes to write a twitter post，for examp
43、le.”可知这里指社交媒体的内容创作得很快，B项符合语境。故选B。5答案与解析：E根据下文中的“But whatever you might think，social media is here to stay.”可知这里在表达对社交媒体的看法，E项“有些人认为社交媒体是好的，有些人认为社交媒体是不好的。”符合语境。故选E。.完形填空【语篇解读】本文是一篇记叙文。文章叙述了作者上中学时，因为在课堂上不会做题而被全班取笑，课后老师的一条留言鼓励了她，使作者在以后的求学中更加坚强，更有决心去克服困难，解决所有遇到的问题。1答案与解析：B考查动词辨析。结合文意，老师叫“我”到白板上做(do)一道除法
44、题。do a problem 为固定搭配，意为“做题；解决问题”。find 意为“发现”，make 意为“制作；使”，examine 意为“检查；调查”，均不符合文意。故选B项。2. 答案与解析：C考查形容词辨析。结合文章第一段最后一句“When doing a long division problem, I always . put the numbers in the wrong places, . forgot to add in the zeros.”可知，当做长除法题目的时候，“我”总是反复地把数字放在错误的地方，忘记加零。由此推知，“我”不擅长数学，数学是“我”成绩最差(wors
45、t)的学科。favorite 意为“最喜欢的”，best 意为“最好的”，last 意为“最后的”，均不符合文意。故选C项。3. 答案与解析：B考查动词辨析。结合文章第一段第二句“She called me to the whiteboard to . a long division (除法) problem.”可知，“我”走近(approach)白板去写题目。move 意为“移动”，use 意为“使用”，return 意为“返回”，均不符合文意。故选B项。4. 答案与解析：C考查连词辨析。结合下文“Impossible to understand.”可知，尽管(though)“我”尽了最大的
46、努力，“我”仍然不能明白她所写的，此处为让步状语从句。if 意为“如果”，unless 意为“除非”，because 意为“因为”，均不符合文意。故选C项。5. 答案与解析：D考查动词辨析。结合文章第二段第二句“. I tried my best, she went faster than I could understand.”可知，为什么“我”竭尽全力(try)解决这些除法问题却还是做不出来。try ones hardest 为固定搭配，意为“尽某人最大的努力”。suggest 意为“建议”，ask 意为“问；咨询”，admit 意为“承认”，均不符合文意。故选D项。6. 答案与解析：C考
47、查动词辨析。结合文意，“我”抑制住(hold)“我”的眼泪，随便在黑板上写了一些数字。hold back 为固定搭配，意为“抑制；忍住”。give back 意为“归还”，go back 意为“追溯到”，cut back 意为“减少；削减”，均不符合文意。故选C项。7答案与解析：A考查动词辨析。结合文意，至于 Tara，老师转了(roll)一下眼珠说，“天哪，我不知道她在写什么”。close 意为“闭上”，focus 意为“专注于”，open 意为“打开”，均不符合文意。故选A项。8答案与解析：A考查副词辨析。结合句中的 Gosh 可知，老师对于 Tara 的所作所为持否定态度。故老师说“天哪
48、，我甚至(even)不知道她在写什么”。even 表示加强语气。never 意为“绝不；永不”，hardly 意为“几乎不”，still 意为“仍然”，均不符合文意。故选A项。9答案与解析：D考查形容词辨析。结合文章第六段“As for Tara， the teacher said, . her eyes, Gosh, I dont . know what she did.” 可知，全班听到老师的话哄然大笑，“我”感到自己的脸因为尴尬而变红(red)了。puzzled 意为“困惑的”，annoyed 意为“愤怒的”，pale 意为“苍白的”，均不符合文意。故选D项。10答案与解析：C考查动词辨
49、析。结合文章第六段“As for Tara， the teacher said, . her eyes, Gosh, I dont . know what she did.” 可知，“我”希望能阻止(prevent)他们看到“我”，因为“我”此时感到十分羞愧。prevent sb. from doing sth. 为固定搭配，意为“阻止某人做某事”。protect 意为“保护”，judge 意为“判断”，differ 意为“与不同”，均不符合文意。故选C项。11答案与解析：A考查动词辨析。结合文意，但是在下课之后，“我”的老师给我写了一张纸条，上面写着(saying)：没有人会在意你的感受，除
50、非你自己成功。say 常用于表示书信或者便条的内容，而非常见的“说”的释义。write 意为“写”，show 意为“展示”，persuade 意为“劝说；说服”，均不符合文意。故选A项。12答案与解析：A考查动词辨析。结合文章最后一段第一句“This . from middle school is the most impressive and the only one I can remember.”可知，但是在下课之后，“我”的老师给我写了一张纸条，：没有人会在意你的感受，除非你强迫(force)自己成功。force sb. to do sth. 为固定搭配，意为“逼迫某人做某事”。all
51、ow 意为“允许”，forbid 意为“禁止”，hope 意为“希望”，均不符合文意。故选A项。13答案与解析：A考查名词辨析。结合文意，这次经历让“我”更加坚强，并且让“我”下定决心(determination)。explanation 意为“解释”，frustration 意为“沮丧”，imagination 意为“想象”，均不符合文意。故选A项。14答案与解析：B考查形容词辨析。结合文章第一段最后一句“When doing a long division problem, I always . put the numbers in the wrong places, . forgot t
52、o add in the zeros.”可知，当“我”在学校里的成绩差(bad)时，或者被别人羞辱的时候，“我”会想起那一刻。big 意为“大的”，little 意为“很少的；小的”，good 意为“好的”，均不符合文意。故选B项。15答案与解析：B考查动词辨析。结合文章第一段最后一句“When doing a long division problem, I always . put the numbers in the wrong places, . forgot to add in the zeros.”可知，当“我”在学校里的成绩时，或者被别人羞辱的时候，“我”会想起那一刻，想起“我”
53、问自己成为这样的每一个缘由，这也让“我”去愿意去回答(answer)所有的为什么，并继续努力直到做到完美，或者尽可能接近完美。get 意为“得到”，see 意为“看”，find 意为“发现”，均不符合文意。故选B项。.语法填空【语篇解读】本文是一篇说明文。本文主要讲了中国正用“新的四大发明”来改变世界。1答案与解析：ability考查名词。作proved的宾语，应用名词，所以填 ability。2答案与解析：which考查非限制性定语从句。“2._ has improved the quality of peoples lives”作定语，修饰“Chinas hightech innovati
54、on(创新)”，且有逗号隔开，所以“2._ has improved the quality of peoples lives”是一个非限制性定语从句，关系词在从句中作主语，指物，故填which。3答案与解析：made考查非谓语动词。make与其逻辑主语a survey之间是被动关系，所以用过去分词作定语，故填made。4答案与解析：a考查冠词。此处泛指“一位大学生”，且university的首字母发音是辅音音素，所以填不定冠词a。5答案与解析：themselves考查反身代词。此处表示“自行车它们本身”，所以填themselves。6答案与解析：is based考查时态和语态。表示主语现在的
55、状态，用一般现在时，且“the operating model of bikesharing”与base之间是被动关系，用被动语态，且该句缺少谓语成分，所以填is based。7答案与解析：encouraging考查固定用法。介词in之后用v.ing形式作宾语，所以填encouraging。8答案与解析：It考查形式主语。“that China is innovating and no longer copying Western ideas”为句子真正的主语，这里需要一个形式主语，所以填It。9答案与解析：especially考查副词。修饰形容词true用副词，所以填especially。10答案与解析：largest考查形容词的最高级。中国在世界上拥有最大的手机使用量。表示“最大的”，用最高级，所以填largest。
